Considering the character of vector observation, a real time predictive filter based on minimum model error (MME) criterion is presented for satellite attitude estimation.
结合矢量观测的特点，基于最小模型误差准则给出了一种确定卫星姿态的实时估计算法，称为预测滤波算法。
Non-linear least squares bundle adjustment is used to process the images from CCD earth sensor, consequently, the vector observation function of CCD earth sensor is achieved on lunar environment.
该算法利用非线性最小二乘平差原理对CCD地球敏感器成像进行处理，实现了在月球表面CCD地球敏感器的矢量观测功能。
Well, the first observation is that the velocity vector what can I say about the velocity vector of this motion?
首先，第一个观察到的就是速度向量,关于这个运动中的速度向量，我可以说点什么呢？
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